help request: 使用proxy-cache插件如何获取自定义header

[23557544]

Description

{
  "id": "test-1107-weather-3",
  "uri": "/api/test/weather/cache2disk",
  "plugins": {
    "proxy-rewrite": {
        "uri": "/api/tianqi/tqyb.php"
    },
    "proxy-cache": {
        "cache_strategy": "disk",
        "cache_zone": "disk_cache_default",
        "cache_key":  ["$http_token", "$request_uri", "$request_body", "-cache-id"],
        "cache_ttl": 60,
        "cache_method": ["GET", "POST"],
        "cache_http_status": [200]
    }
  },
  "methods": ["GET"],
  "priority": 10,
  "upstream": {
    "type": "roundrobin",
    "nodes": {
      "cn.xxx.cn:443": 1
    },
    "scheme": "https"
  }
}

定义cache_key时，无法通过$http_token获取请求头中的token值，实际调用时token传入不同的值都会命中缓存。

想问下cache_key如何获取自定义请求头？

Environment

• APISIX version (run apisix version): 3.11.0
• Operating system (run uname -a): Linux rancher0 3.10.0-693.el7.x86_64
• OpenResty / Nginx version (run openresty -V or nginx -V): openresty/1.25.3.2
• etcd version, if relevant (run curl http://127.0.0.1:9090/v1/server_info): 3.5.16
• APISIX Dashboard version, if relevant:
• Plugin runner version, for issues related to plugin runners:
• LuaRocks version, for installation issues (run luarocks --version):